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All Products / Optics / Polarization Optics / Retarders (Waveplates) / Crystalline Waveplates / Mid-Wave Infrared (MWIR) and Long-Wave Infrared (LWIR) Waveplates
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4μm λ/4 MWIR Zero Order Waveplate

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Stock #85-111 3-5 days
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S$1,348.50
Qty 1-9
S$1,348.50
Qty 10+
S$1,225.25
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Clear Aperture CA (mm):
10.0
Design Wavelength DWL (nm):
4000
Diameter (mm):
25.40
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
MgF2
Retardance:
λ/4
Type:
Crystalline Waveplate
Parallelism (arcmin):
3
Construction:
Crystalline
Transmitted Wavefront, P-V:
<λ/8 @ 632.8nm
Retardance Tolerance:
λ/100 @ 20°C
Mount Thickness (mm):
6.0
Retardance Order:
0

Regulatory Compliance

RoHS 2015:
Compliant
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Certificate of Conformance:
View
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Reach 240:
Compliant
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Product Family Description

  • Ideal for Applications in the 3 – 9μm Range
  • λ/4 and λ/2 Retardance
  • Mounted for Easy Alignment and System Integration

Our zero order Mid-Wave Infrared (MWIR) and Long-Wave Infrared (LWIR) Waveplates are designed for applications in the 3 – 9μm wavelength range. When compared to multiple order waveplates, zero order waveplates provide increased bandwidth and lower sensitivity to temperature change. These waveplates are available with λ/4 or λ/2 retardance in a range of wavelengths, offer efficient retardation over broad spectral ranges, and are ideal for a variety of infrared (IR) applications. Each MWIR and LWIR waveplate is anti-reflection coated, and has been mounted to ease system integration.

Contrast measurement of waveplates placed between two Glan polarizers. λ/4 waveplate shows 50% transmission value at 5μm as it converts linear polarization to circular.
Contrast measurement of waveplates placed between two Glan polarizers. λ/4 waveplate shows 50% transmission value at 5μm as it converts linear polarization to circular.